If the device can't contact the Office Licensing Service after 30 days, Office goes into reduced functionality mode. If the device can't contact the Office Licensing Service after nine days, the user sees a warning message when working in an app. The device must be connected to the internet to contact the Office Licensing Service. That's to ensure that the Office Licensing Service properly associates Office with the correct licensed user. While you can deploy Office for your Mac users, your users need to sign in and activate Office for themselves. On the Sign in to Activate Office screen, users should select Sign In, and then enter their email address and password. Make sure users are connected to the internet when they activate Office. The Office Licensing Service keeps track of which users are licensed and how many devices they've installed Office on.Īfter you deploy Office, your users are prompted to activate Office the first time they use it. If you don't assign a user a license, you can still deploy Office to that user, but the user won't be able to activate and use Office on their Mac.įor Microsoft 365 (and Office 365) customers, Office for Mac activates by contacting the Office Licensing Service on the internet. If your organization has a Microsoft 365 (or Office 365) plan, make sure you assign each user a license for Office before you deploy Office to your Mac users. Activate Microsoft 365 versions of Office for Mac

If you're an Office user trying to activate a personal copy of Office for Mac, follow these instructions instead of reading this article.

Find office product key mac os x